TRUCK SERVICE MANUAL TM 5-4210-230-14&P-1WHEELS, RIMS, TIRESFig. 112.Using a wheel dolly place wheel on spindle; care mustbe taken not to damage the seal, especially on theleading edge of the spindle or axle (Fig. 11).INITIAL LUBRICATION OF WHEEL BEARINGSTransparentHubCap(FrontAxle)Add oil through filler plug hole in hub cap allowing timefor oil to seep through the bearings and seek a level on initialfill. When properly filled oil should be on or 9.5 mm (3/8")above the oil level mark on the hub cap window. Use engineoil or gear oil for front wheels (see LUBRICATION, SectionCTS2412).HubCapWithoutWindow(FrontAxle)Add .71 liter (1-1/2 pints) of matching differentiallubricant or enough lubricant to touch the bottom surface ofthe wheel spindle outside diameter of each front wheel. Forinitial fill, pipe tap hole should be at.12 o'clock position.Add oil through pipe tap hole in axle shafts. Fill until oil runsout of filler hole when positioned at 4 to 5 or 7 to 8 o'clockpositions [approximately .71 liter (1-1/2 pints)].TRACTOR DRIVE WHEELS (Rear Axle)Dip bearing cones in lubricant.Before installing outer cone fill the wheel cavitybetween bearings with the same oil to be used in differential.This will assure bearing and spindle lubrication untillubrication creeps through the outer bearing.NOTE: The differential must not be over-filled. A periodic check is to be made forproper lubricant level.On tractor drive wheels, apply Loctite gasket eliminator(sealant) material No. 504 to back of axle flange and installaxle (Fig. 12).Fig. 12CTS-2032N Page 6PRINTED IN UNITED STATES OF AMERICA